Finding the Fourth Proportional to 8,015.43, 12,006.81 and 3,842.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,015.43 : 12,006.81 = 3,842.72 : x
2. Step 2: Convert to fraction form
   8,015.43/12,006.81 = 3,842.72/x
3. Step 3: Cross multiply
   8,015.43x = 12,006.81 × 3,842.72
4. Step 4: Simplify right side
   8,015.43x = 46,138,748.89
5. Step 5: Solve for x
   x = 46,138,748.89/8,015.43
6. Step 6: Final answer
   x = 5,756.24